论文部分内容阅读
本文介绍一种组合式输入阻抗高达１０１２欧姆的运算放大器，文中是应用场效应晶体管（ＪＦＥＴ）做前置放大器．由这种放大器构成的运算电路．可以构成各种精细物理量的测量电路．
This article describes a combination of input impedance up to 1012 ohms operational amplifier, the article is the application of field effect transistors (JFET) as a preamplifier. An arithmetic circuit composed of this amplifier. Can constitute a variety of fine physical measurement circuit.